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/*
ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file ports/ARMCM3-STM32F103/stm32_serial.h
* @brief STM32F103 Serial driver macros and structures.
* @addtogroup STM32F103_SERIAL
* @{
*/
#ifndef _STM32_SERIAL_H_
#define _STM32_SERIAL_H_
/*
* Tricks required to make the TRUE/FALSE declaration inside the library
* compatible.
*/
#ifndef __STM32F10x_H
#undef FALSE
#undef TRUE
#include <stm32f10x.h>
#define FALSE 0
#define TRUE (!FALSE)
#endif
/**
* @brief Serial buffers size.
* @details Configuration parameter, you can change the depth of the queue
* buffers depending on the requirements of your application.
* @note The default is 128 bytes for both the transmission and receive buffers.
*/
#if !defined(SERIAL_BUFFERS_SIZE) || defined(__DOXYGEN__)
#define SERIAL_BUFFERS_SIZE 128
#endif
/**
* @brief Default bit rate.
* @details Configuration parameter, at startup the USARTs are configured at
* this speed.
* @note It is possible to use @p SetUSART() in order to change the working
* parameters at runtime.
*/
#if !defined(DEFAULT_USART_BITRATE) || defined(__DOXYGEN__)
#define DEFAULT_USART_BITRATE 38400
#endif
/**
* @brief USART1 driver enable switch.
* @details If set to @p TRUE the support for USART1 is included.
* @note The default is @p FALSE.
*/
#if !defined(USE_STM32_USART1) || defined(__DOXYGEN__)
#define USE_STM32_USART1 FALSE
#endif
/**
* @brief USART2 driver enable switch.
* @details If set to @p TRUE the support for USART2 is included.
* @note The default is @p TRUE.
*/
#if !defined(USE_STM32_USART2) || defined(__DOXYGEN__)
#define USE_STM32_USART2 TRUE
#endif
/**
* @brief USART3 driver enable switch.
* @details If set to @p TRUE the support for USART3 is included.
* @note The default is @p FALSE.
*/
#if !defined(USE_STM32_USART3) || defined(__DOXYGEN__)
#define USE_STM32_USART3 FALSE
#endif
/*
* Extra USARTs definitions here (missing from the ST header file).
*/
#define USART_CR2_STOP1_BITS (0 << 12) /**< @brief CR2 1 stop bit value.*/
#define USART_CR2_STOP0P5_BITS (1 << 12) /**< @brief CR2 0.5 stop bit value.*/
#define USART_CR2_STOP2_BITS (2 << 12) /**< @brief CR2 2 stop bit value.*/
#define USART_CR2_STOP1P5_BITS (3 << 12) /**< @brief CR2 1.5 stop bit value.*/
/** @cond never*/
#if USE_STM32_USART1
extern FullDuplexDriver COM1;
#endif
#if USE_STM32_USART2
extern FullDuplexDriver COM2;
#endif
#if USE_STM32_USART3
extern FullDuplexDriver COM3;
#endif
/** @endcond*/
#ifdef __cplusplus
extern "C" {
#endif
void serial_init(uint32_t prio1, uint32_t prio2, uint32_t prio3);
void usart_setup(USART_TypeDef *u, uint32_t speed, uint16_t cr1,
uint16_t cr2, uint16_t cr3);
#ifdef __cplusplus
}
#endif
#endif /* _STM32_SERIAL_H_ */
/** @} */
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